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Owl Nebula
释义
Owl Nebula
Encyclopedia
理学
行星状星云
释
Owl Nebula
夜枭星云
位于大熊星座的一个比较复杂的行星状星云。星表中的编号为M97和NGC3587。距离地球2030光年(621秒差距),视星等为9.9,年龄约8千年。又称猫头鹰星云。
Astronomy
Owl Nebula
夜枭星云
随便看
power spectrum of CMB anisotropies
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power sum symmetric functions
power supply
power supply and distribution of concentrators
power supply and distribution system
power supply business hall
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power supply for construction
power supply management computer
power supply network in the nuclear power plant
power supply of coaxial power cable for electric traction
power supply of electric traction autotransformer
power supply of instrumentation and control
power supply of traction current transformer
power supply service center
power supply system for electric traction
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